Minor fixes for UnifiedEmail

Change-Id: Iff87382778759b409b75e454f4dd5efd9a2020c1
diff --git a/AndroidManifest.xml b/AndroidManifest.xml
index 5fb419c..febfebc 100644
--- a/AndroidManifest.xml
+++ b/AndroidManifest.xml
@@ -42,7 +42,7 @@
             android:label="@string/app_name"
             android:name=".ui.MailActivity"
             android:launchMode="singleTop"
-            android:uiOptions="splitActionBarWhenNarrow">
+            android:theme="@style/PlainUnifiedEmailTheme" >
             <intent-filter >
                 <action android:name="android.intent.action.MAIN" />
                 <category android:name="android.intent.category.LAUNCHER" />